function createCode(){ 
   var randomCode =""; 
   var codeLength =5; 
   var selectRange = new Array(0,1,2,3,4,5,6,7,8,9,
   'A','B','C','D','E','F','G','H','I','J','K','L','M','N','O','P','Q','R','S','T','U','V','W','X','Y','Z',
   'a','b','c','d','e','f','g','h','i','j','k','l','m','n','o','p','q','r','s','t','u','v','w','x','y','z');
   var colors = new Array('red','blue','yellow','black','darkorange','deeppink','honeydew');
   var random = document.getElementById("random");
   random.innerHTML=""; 
   for(var i=0;i<codeLength;i++){ 
      var randomIndex = Math.floor(Math.random()*58); 
	  random.style.color=colors[Math.floor(Math.random()*7)];
      random.innerHTML += selectRange[randomIndex]; 
   } 
}
window.onload=function(){
	createCode();
}